Jim Simons
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Jim Simons’s Montauk Renewables MNTK Stock Holding History

Jim Simons’s Portfolio MNTK Stock Details MNTK Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$408K Buy
354,600
+11,900
+3% +$17.9K ﹤0.01% 2684
2025
Q4 		$572K Buy
342,700
+6,300
+2% +$12.1K ﹤0.01% 2525
2025
Q3 		$676K Sell
336,400
-7,813
-2% -$16.7K ﹤0.01% 2675
2025
Q2 		$764K Buy
344,213
+59,713
+21% +$126K ﹤0.01% 2633
2025
Q1 		$595K Buy
284,500
+13,000
+5% +$47.5K ﹤0.01% 2668
2024
Q4 		$1.08M Sell
271,500
-30,600
-10% -$146K ﹤0.01% 2457
2024
Q3 		$1.57M Buy
302,100
+67,800
+29% +$339K ﹤0.01% 2169
2024
Q2 		$1.34M Sell
234,300
-172,272
-42% -$797K ﹤0.01% 2149
2024
Q1 		$1.69M Buy
406,572
+293,572
+260% +$1.84M ﹤0.01% 2144
2023
Q4 		$1.01M Buy
113,000
+8,600
+8% +$80.5K ﹤0.01% 2410
2023
Q3 		$951K Sell
104,400
-183,610
-64% -$1.65M ﹤0.01% 2348
2023
Q2 		$2.14M Sell
288,010
-19,321
-6% -$133K ﹤0.01% 1951
2023
Q1 		$2.42M Buy
307,331
+126,031
+70% +$1.28M ﹤0.01% 1909
2022
Q4 		$2M Buy
181,300
+23,000
+15% +$308K ﹤0.01% 2066
2022
Q3 		$2.76M Buy
158,300
+63,300
+67% +$945K ﹤0.01% 1813
2022
Q2 		$955K Buy
+95,000
New +$1.13M ﹤0.01% 2751
2021
Q3 		– Sell
-22,700
Closed -$174K – 3704
2021
Q2 		$174K Buy
+22,700
New +$218K ﹤0.01% 3274

Other funds holding MNTK

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
BBA
Baader Bank Aktiengesellschaft Unterschleissheim, Germany $1.33B AUM 47.35% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Barclays
Barclays London, United Kingdom $416B AUM 33.63% 1-Year Est. Return
American Century Companies
American Century Companies Kansas City, Missouri $194B AUM 35% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
Charles Schwab
Charles Schwab San Francisco, California $654B AUM 26.35% 1-Year Est. Return
Northern Trust
Northern Trust Chicago, Illinois $757B AUM 28.64% 1-Year Est. Return

Jim Simons's MNTK Position: Q1 2026 in Review

Jim Simons increased its Montauk Renewables (MNTK) stake by 3.5% in Q1 2026, buying an estimated $17.9K and bringing the position to 354,600 shares worth $408K. The position accounts for ﹤0.01% of the portfolio, ranked #2684.

Jim Simons first reported a position in MNTK in Q2 2021 and has held it in 17 quarters since. The position peaked at $2.76M in Q3 2022. 94 funds tracked by Wall St. Rank hold MNTK as of Q1 2026.

  • Jim Simons held 354,600 shares of Montauk Renewables worth $408K as of Q1 2026.
  • Jim Simons bought 11,900 Montauk Renewables shares in Q1 2026, an estimated $17.9K.
  • Montauk Renewables made up ﹤0.01% of Jim Simons's portfolio in Q1 2026, its #2684 holding.
  • Jim Simons first reported a position in Montauk Renewables in Q2 2021 and has held it in 17 quarters since.
  • Jim Simons's Montauk Renewables position peaked at $2.76M in Q3 2022.
  • 94 funds tracked by Wall St. Rank held Montauk Renewables as of Q1 2026.

Based on Renaissance Technologies's 13F filing for Q1 2026, filed 14 May 2026.